fluid

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fluid

fluid any substance that is able to flow. Of the four states of matter , only a solid is not a fluid, since it has a definite shape that is not readily changed. Any liquid , gas , or plasma is classed as a fluid.

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fluid

The Concise Oxford Dictionary of English Etymology | 1996 | | Â© The Concise Oxford Dictionary of English Etymology 1996, originally published by Oxford University Press 1996. (Hide copyright information) Copyright

fluid adj. XV; sb. XVII. — (O)F. fluide or L. fluidus, f. fluere flow; see -ID1.
Hence fluidity XVII.

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T. F. HOAD. "fluid." The Concise Oxford Dictionary of English Etymology. 1996. Encyclopedia.com. 15 Nov. 2009 <http://www.encyclopedia.com>.

T. F. HOAD. "fluid." The Concise Oxford Dictionary of English Etymology. 1996. Encyclopedia.com. (November 15, 2009). http://www.encyclopedia.com/doc/1O27-fluid.html

T. F. HOAD. "fluid." The Concise Oxford Dictionary of English Etymology. 1996. Retrieved November 15, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O27-fluid.html

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